'Who You Gonna Call,' premiering on digital streaming platforms June 7, chronicles the life and career of the Grammy-winning singer/songwriter.Ray Parker Jr., the legendary R&B artist/musician, is the subject of a new documentary. The film, “Who You Gonna Call”, about the life and career of the man best known for his smash 1984 hit “Ghostbusters,” will hit digital streaming platforms on June 7 via Sony Pictures, Variety reports. While “Ghostbusters” was the pinnacle of Parker’s commercial success, he accomplished a great deal prior. Parker gave filmmaker Fran Strine full access to archives of his life, a life full of...